3ply face mask:
1.Material:180g cotton+2mm carbon+180g cotton
2. anti-dust and flu,comfortable wearing and well protection

3ply face mask:

1.Material:180gsm cotton+2mm carbon+180gsm cotton

2.Size: (9+12+9)cm*16cm

3.Packing: each in a poly bag, 50pcs in a inner box, 2000pcs in a ctn.

4. there is cut between the two plys make it easy to insert the carbon into the face mask, the active carbon will adsorb the poisonous air   effectively

H1N1 MASK/ /disposable dust mask/high filtration dust mask\nonwvoen mask